D Débarre · 2007 · 242 — In this paper we describe and demonstrate an image-based adaptive optics scheme that is predominantly independent of object structure. This scheme uses the low ...

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These mounted Geltech lenses feature a stainless steel 304 holder with a threaded exterior, M9x0.5 or M12x0.5. The numerical aperture is the same as the corresponding unmounted lens, but the working distance is slightly different. Aspherical Lens Adapters UPA1-AS9 and UPA1-AS12 are available to mount them into standard 1 in. optical mounts.

In applications that require large acceptance angles, such as light gathering for illumination, spherical lenses are unsuitable due to spherical aberration, or the effect of refractive power of a spherical surface becoming greater with increasing aperture. Aspheric lenses maintain constant focal length or very high NA, avoiding the need for multiple elements to correct spherical aberration. This simplifies system design by reducing weight and component count. It also results in less transmission loss, and less ghosting due to having fewer surfaces. The primary drawback of aspheric lenses is off-axis performance is poor. This is not a problem for coupling to and from optical fibers or collimating light sources, but aspheric lenses are not usable over a wide field of view.

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The Westcott 18" Bi-Color LED Ring Light Kit is bright enough to light up a room. Credit: Rebecca Glades. Best Bargain for a Tabletop. UBeesize 10" Table Top.

N-MP. Base Product. Available in: Asia; Australia/New Zealand; EMEA; Latin America; North America. Fiber Optic Cable, Indoor Zero Halogen, Dual listed, ...

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All relevant information for Installers about energy saving CoreLine LED luminaires, retrofit LED lamps and LEDtubes and conventional lighting.

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The Signify Specifier hub: home to innovative lighting projects, training, tools, and events for architects, lighting designers, and engineers.

Signify, lighting manufacturer of Philips, is Official Team Partner of Mercedes-AMG PETRONAS F1 Team. Buckle up, it's going to be an exciting ride!

Now that you understand MTF, the next important concept is how refocusing a lens affects it. This is called the through focus MTF.

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Ricordati la differenza tra vocali aperte e chiuse. La È accentata in questo modo si pronuncia come E aperta, ed è il suono della E che emettiamo nel caso di "è ...

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Industrie Kameras. Optimieren Sie Ihre industriellen Prozesse oder Anwendungen mit unseren hochwertigen Industriekameras. Finden Sie die perfekte Kamera für ...

These Geltech lenses are made from Corning C0550 glass, which features low dispersion (Vd=50.40). Typical applications include fiber coupling, laser diodes, medical lasers, optical data storage, and barcode scanners. The lenses are available in both unmounted and mounted versions.

Robots in ophthalmology are currently used routinely as laser robots in refractive surgery and cataract surgery only.

These mounted Geltech® molded glass aspheric lenses are a very economic choice for collimating or focusing light at high magnification.  They are made from low dispersion materials and are suitable for applications include fiber coupling, collimating laser diodes, and laser scanning.

These mounted Geltech® molded glass aspheric lenses are a very economic choice for collimating or focusing light at high magnification.  They are made from low dispersion materials and are suitable for applications include fiber coupling, collimating laser diodes, and laser scanning.

These mounted Geltech lenses feature a stainless steel 304 holder with a threaded exterior, M9x0.5 or M12x0.5. The numerical aperture is the same as the corresponding unmounted lens, but the working distance is slightly different. Aspherical Lens Adapters UPA1-AS9 and UPA1-AS12 are available to mount them into standard 1 in. optical mounts.

These Geltech lenses are made from Corning C0550 glass, which features low dispersion (Vd=50.40). Typical applications include fiber coupling, laser diodes, medical lasers, optical data storage, and barcode scanners. The lenses are available in both unmounted and mounted versions.

Array 1840 is a pendant lamp designed by designer Umut Yamac and produced by the prestigious brand Vibia. This lamp is part of an extensive collection, ...

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